| S.No. | Field / Checkpoint | Reference | Status |
|---|---|---|---|
| A. CONTROL POINT NETWORK | |||
| A1 | Reference datum — GTS / city grid / project-specific Acceptance: Documented | Per project survey contract | OK NC NA |
| A2 | Control point ID + coordinates (E, N) + RL + monument type Acceptance: Permanent monument | Per project network | OK NC NA |
| A3 | Established by — surveyor + date + instrument used Acceptance: Calibrated instrument | DGPS / Total Station | OK NC NA |
| B. VERIFICATION | |||
| B1 | Inter-point distance + bearing checks Acceptance: Per accuracy class | Closure ± 10mm + 5 PPM (Total Station) | OK NC NA |
| B2 | Witness mark + photo + protection (boundary stone) Acceptance: Per drawing | Permanent + visible | OK NC NA |
| C. USAGE LOG | |||
| C1 | Date + activity + surveyor + readings taken Acceptance: Per activity | Daily log | OK NC NA |
| C2 | Annual re-verification + recovery if disturbed Acceptance: Verified | Per project standards | OK NC NA |